Norplex-Micarta RTB320S

Chemical Family: Phenols & Phenolics

Being a hot oil treated version of RTB320, RTB320S has low moisture absorption and excellent dimensional stability. Typical uses include bearings and applications that require fine machining characteristics. Certification to IEC standard is pending.

Properties

Physical Form: Tube

Product families

Automotive & Transportation — Automotive

Chassis & Brake

Industrial — Chemical & Industrial Manufacturing

Equipment & Parts

Other characteristics

Density: 1290.0 - 1290.0 kg/m³
Features: Bearing Grade, Dimensional Stability, Good Machinability, Heat Treated, Low Moisture Absorption
Polymer Name: Phenolic Compound
Reinforcement Material: Cotton
Markets: Automotive & Transportation
Industrial
Technology: Composite Materials
Plastics
Fillers Included: Cotton
Natural Fiber
Product Families: Composite Materials — Parts & Shapes
Plastics — Parts, Shapes & Films
Quality Standards: IEC PF CC 21
MIL-I-24768/13 Type FBE
NEMA LE
Composites End Use: Gaskets
Wheels
Material Features: Bearing Grade
Dimensional Stability
Good Machinability
Heat Treated
Low Moisture Absorption
Plastics and Elastomers End Uses: Bearings
O Rings
Thrust Washer

Technical data

Table 1 of 3

6 rows

Characteristic	Value	Unit	Method
Specific Gravity (0.75" ID x 1.00" OD)	1.29	—	ASTM D792
Rockwell Hardness (0.75" ID x 1.00" OD)	100	M Scale	ASTM D785
Moisture Absorption (0.75" ID x 1.00" OD, Condition D1-24/23)	1.1	%	ASTM D570
Tensile Strength (0.75" ID x 1.00" OD, Condition A)	9300	psi	ASTM D638
Compressive Strength (0.75" ID x 1.00" OD, Condition A)	28500	psi	ASTM D695
Compressive Modulus (0.75" ID x 1.00" OD, Condition A)	440	kpsi	ASTM D695

Table 2 of 3

2 rows

Characteristic	Value	Unit	Method
Temperature Index (0.75" ID x 1.00" OD, Electrical / Mechanical)	135/135	°C	—
Flammability Rating (0.75" ID x 1.00" OD, Condition A)	HB	Class	UL Bulletin 94

Table 3 of 3

1 row

Characteristic	Value	Unit	Method
Electric Strength (0.75" ID x 1.00" OD, Condition A)	275	Volts/mil	ASTM D149